Best Time to Visit Boston: Month-by-Month Guide

Best months for Boston: July, August, September, June.

  • Best months for Boston: July, August, September, June.
  • Peak season is July, August, June. Expect higher prices and more visitors (estimated from the climate, not from visitor counts).
  • Shoulder season: September. Good weather without the busiest period.
  • Wettest months: January, June, July.
  • The least pleasant month is January (score 5.1).

Year at a glance

7° 3° J 8° 3° F 10° 4° M 12° 6° A 15° 8° M 18° 11° J 21° 13° J 21° 13° A 18° 11° S 14° 8° O 10° 5° N 7° 3° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January 7°C3°C49 mm 11– – 5.1
February 8°C3°C38 mm 9– – 5.5
March 10°C4°C42 mm 10– – 5.8
April 12°C6°C46 mm 11– – 6.1
May 15°C8°C50 mm 10– – 6.7
June 18°C11°C61 mm 11– – 7.0
July 21°C13°C62 mm 11– – 7.4
August 21°C13°C63 mm 11– – 7.4
September 18°C11°C55 mm 10– – 7.2
October 14°C8°C60 mm 11– – 6.4
November 10°C5°C55 mm 11– – 5.7
December 7°C3°C51 mm 11– – 5.3

Frequently asked questions

When is the best time to visit Boston?

The best months are July, August, September, June.

When is the rainy season in Boston?

The wettest months are January, June, July.